EP3516645A4 - Display apparatus, control method and compensation coefficient calculation method thereof - Google Patents

Display apparatus, control method and compensation coefficient calculation method thereof Download PDF

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Publication number
EP3516645A4
EP3516645A4 EP17891008.9A EP17891008A EP3516645A4 EP 3516645 A4 EP3516645 A4 EP 3516645A4 EP 17891008 A EP17891008 A EP 17891008A EP 3516645 A4 EP3516645 A4 EP 3516645A4
Authority
EP
European Patent Office
Prior art keywords
display apparatus
coefficient calculation
compensation coefficient
control method
calculation method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17891008.9A
Other languages
German (de)
French (fr)
Other versions
EP3516645A1 (en
Inventor
Ho-Seop Lee
Do-young KWAG
Tetsuya Shigeta
Seong-Phil Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP3516645A1 publication Critical patent/EP3516645A1/en
Publication of EP3516645A4 publication Critical patent/EP3516645A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/067—Special waveforms for scanning, where no circuit details of the gate driver are given
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0219—Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
EP17891008.9A 2017-01-10 2017-06-27 Display apparatus, control method and compensation coefficient calculation method thereof Pending EP3516645A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170003327A KR102542856B1 (en) 2017-01-10 2017-01-10 Display apparatus and control method thereof
PCT/KR2017/006791 WO2018131759A1 (en) 2017-01-10 2017-06-27 Display apparatus, control method and compensation coefficient calculation method thereof

Publications (2)

Publication Number Publication Date
EP3516645A1 EP3516645A1 (en) 2019-07-31
EP3516645A4 true EP3516645A4 (en) 2019-09-18

Family

ID=62783304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17891008.9A Pending EP3516645A4 (en) 2017-01-10 2017-06-27 Display apparatus, control method and compensation coefficient calculation method thereof

Country Status (5)

Country Link
US (1) US10825377B2 (en)
EP (1) EP3516645A4 (en)
KR (1) KR102542856B1 (en)
CN (1) CN110178173B (en)
WO (1) WO2018131759A1 (en)

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KR102599600B1 (en) * 2016-11-23 2023-11-07 삼성전자주식회사 Display apparatus and driving method thereof
US20180240392A1 (en) * 2017-02-21 2018-08-23 Solomon Systech Limited Thin film transistor (tft) liquid crystal display (lcd) panel
JP2019035925A (en) * 2017-08-22 2019-03-07 株式会社Ｊｏｌｅｄ Luminance controller, light-emitting device and luminance control method
KR102033108B1 (en) * 2018-07-06 2019-10-16 엘지전자 주식회사 Display apparatus and driving method thereof
KR102583783B1 (en) * 2018-08-29 2023-10-04 엘지디스플레이 주식회사 Light Emitting Display and Driving Method Thereof
US10978011B2 (en) * 2019-02-20 2021-04-13 Sakai Display Products Corporation Liquid-crystal display apparatus and method for correcting image signal
CN111489685B (en) * 2020-01-22 2020-12-18 南京浣轩半导体有限公司 Multi-line scanning LED gray scale switching display method and system
CN114067726A (en) * 2020-07-31 2022-02-18 联咏科技股份有限公司 Driving method for display device and display device
US11308862B2 (en) * 2020-08-05 2022-04-19 Jade Bird Display (shanghai) Limited Scan needle and scan display system including same
CN114550639B (en) * 2020-11-20 2023-08-22 厦门凌阳华芯科技股份有限公司 Control method, device and medium for improving coupling of LED display screen
US11776138B2 (en) * 2020-12-15 2023-10-03 Microsoft Technology Licensing, Llc Correcting line bias in an image
CN112735343B (en) * 2021-01-04 2022-03-15 成都中电熊猫显示科技有限公司 Light-emitting component dimming control method and device and display device
CN112967669B (en) * 2021-03-02 2022-07-12 长春希达电子技术有限公司 Correction method for improving gray scale consistency of LED display screen
CN115691373A (en) * 2021-07-30 2023-02-03 武汉京东方光电科技有限公司 Display panel driving method, display panel and display device
CN113643658B (en) 2021-10-14 2022-01-14 惠科股份有限公司 Debugging method of display panel, display device and storage medium
CN114299854B (en) * 2021-12-24 2023-05-09 杭州海康威视数字技术股份有限公司 LED display screen adjusting system, method, equipment and readable storage medium
KR20240024626A (en) * 2022-08-17 2024-02-26 삼성전자주식회사 Display apparatus including led driving circuit and operating methof thereof
CN115620661A (en) * 2022-09-29 2023-01-17 Tcl华星光电技术有限公司 Compensation method and compensation device of display panel
CN116129803B (en) * 2023-02-28 2024-03-26 惠科股份有限公司 Display device driving method and display device
CN116524858B (en) * 2023-06-29 2023-08-29 宜宾邦华智慧科技有限公司 Display non-uniformity compensation method for display screen
CN117690367B (en) * 2024-02-04 2024-07-05 惠科股份有限公司 Display device, display driving method thereof and storage medium

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US20160240128A1 (en) * 2015-02-12 2016-08-18 Samsung Display Co., Ltd. Coupling compensator for display panel and display device including the same

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KR100646990B1 (en) * 2005-09-12 2006-11-23 엘지전자 주식회사 Luminescent device and method of driving the same
KR100660049B1 (en) * 2006-04-26 2006-12-20 하나 마이크론(주) Channel interference compensation method for display device, data signal driving control apparatus and display apparatus
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US20160240128A1 (en) * 2015-02-12 2016-08-18 Samsung Display Co., Ltd. Coupling compensator for display panel and display device including the same

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See also references of WO2018131759A1 *

Also Published As

Publication number Publication date
KR20180082087A (en) 2018-07-18
WO2018131759A1 (en) 2018-07-19
CN110178173A (en) 2019-08-27
US20180197453A1 (en) 2018-07-12
KR102542856B1 (en) 2023-06-14
CN110178173B (en) 2022-10-28
US10825377B2 (en) 2020-11-03
EP3516645A1 (en) 2019-07-31

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